v (
Ped. ii 538
) strong verb (Thurn.), with ā-subj.,
but later with s-subj. from perf. A redupl. fut. occurs only
in MU. Pret. and perf. stem árlas- expld. by Thurneysen,
KZ xxviii 151 as
*ad-ro-glád-s-, but this not repeated in
Gramm., where p. 415 these are described as `shortened forms'.